CN104300309B - A kind of anti-loose connector - Google Patents
A kind of anti-loose connector Download PDFInfo
- Publication number
- CN104300309B CN104300309B CN201410221070.XA CN201410221070A CN104300309B CN 104300309 B CN104300309 B CN 104300309B CN 201410221070 A CN201410221070 A CN 201410221070A CN 104300309 B CN104300309 B CN 104300309B
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- CN
- China
- Prior art keywords
- loose
- proof sleeve
- attachment cap
- end tooth
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to anti-loose connector, anti-loose connector includes the housing that front end is inserted terminal, on housing, guiding movement is set with loose-proof sleeve along the longitudinal direction, loose-proof sleeve is coordinated with the housing rotation stop, it is provided with cooperation spacing with loose-proof sleeve to limit the position-limit mechanism of the movable limit of loose-proof sleeve on housing, the elastic component for applying direction active force forward to loose-proof sleeve is provided between housing and loose-proof sleeve, the front end of loose-proof sleeve is provided with loose-proof sleeve end tooth, one lateral tooth flank of loose-proof sleeve end tooth be for the attachment cap end tooth on the attachment cap of loose-proof sleeve end tooth and intermateable connector along the longitudinal direction on plug together when attachment cap can be made to screw to guiding surface towards screw that direction rotates.The present invention causes the axial length of anti-loose connector longer because attachment cap and loose-proof sleeve are arranged on same housing in solving the problems, such as prior art.
Description
Technical field
The present invention relates to be used for signal transmission suitable for the anti-loose connector used in vibration environment.
Background technology
Common screw thread coupling Jing is often used on the platform such as airborne, vehicle-mounted, due to working long hours in vibrational loading
Under the conditions of, easily there is the phenomenon of joint looseness, cause signal fluctuation even Transmission.Therefore there is the locking of locking functions
Adapter increasingly becomes the emphasis of people's research, and a kind of existing anti-loose connector such as Chinese patent CN103457117A is disclosed
" a kind of ratchet locking type screw thread coaxial connector ", the adapter be plug, adapter include front end be inserted terminal housing,
Rotate on housing and be arranged with attachment cap, being provided with attachment cap in be connected for the external screw thread on the housing with intermateable connector
Screw thread, is unable to relative movement in the axial direction between attachment cap and housing, the rear side on housing in attachment cap is oriented to along the longitudinal direction
Movement be equipped with loose-proof sleeve, front end tooth is provided with the front end face of loose-proof sleeve, be provided with the rear end face of attachment cap for it is front
End tooth along the longitudinal direction on the rear end tooth that plugs together, forward and backward end tooth is ratchet, and a lateral tooth flank of each ratchet is inserted for forward and backward end tooth
When conjunction attachment cap can be screwed to guiding surface towards screw that direction rotates, thus forward and backward end tooth along the longitudinal direction on when plugging together,
Attachment cap still can be rotated towards direction is screwed.Between the rear end of loose-proof sleeve and housing, top is provided with ripple spring, fixed on loose-proof sleeve
There is pin, on housing, be provided with the pin chute corresponding with pin, pin chute includes axially extending along the longitudinal direction leading
To section and the circumferential guide section circumferentially extending along housing for being arranged at axially directed section rear end, loose-proof sleeve can drive pin along pin
Runner movement.When needing the plug with adapter socket grafting, pin is located in the axially directed section of pin chute, by ripple bullet
The jacking force effect of spring, the front end tooth on loose-proof sleeve and the rear end tooth on attachment cap along the longitudinal direction on plug together together with, front end
Tooth causes attachment cap rotate towards direction is screwed with the cooperation of rear end tooth, after attachment cap with adapter socket grafting in place, receives
The thrusting action power of ripple spring, the front end tooth on loose-proof sleeve with attachment cap rear end tooth keep plug together together with, this is also
The attachment cap derotation caused because of external force is prevented, it is achieved thereby that the connection of plug, socket is locking；Needing plug, socket point
From when, operator's hand push pin is moved after guide section vertically until circumferential guide section, and pin overcomes ripple bullet with loose-proof sleeve
The active force of spring, loose-proof sleeve also move afterwards and front end tooth and rear end tooth are disengaged, at this moment after just can realize inserting with derotation attachment cap
Head, the separation of socket.
Existing this anti-loose connector has problems in that：Attachment cap and loose-proof sleeve may be contained within the housing of plug
On, and loose-proof sleeve is located at the rear side of attachment cap, the axial length that this results in plug is longer, is highly detrimental at some to plug
Used in the conditional occasion in working place；In addition, the setting of pin chute and pin causes the structure of plug complex, increase
The cost of manufacture and assembly difficulty of plug are added, while in the occasion of some axial operation limited spaces, root is not grasped
Hand push pin is gone to make to move after loose-proof sleeve as space, this results in plug, socket and can not realize normal separation.
The content of the invention
It is an object of the invention to provide a kind of anti-loose connector, to solve in prior art because of attachment cap and locking be arranged
It is placed in the problem on same housing cause the axial length of anti-loose connector longer.
In order to solve the above problems, in the present invention, the technical scheme of anti-loose connector is：
Anti-loose connector, including front end be grafting end housing, on housing rotate be arranged with attachment cap, the front end of attachment cap sets
Attachment cap end tooth is equipped with, a lateral tooth flank of attachment cap end tooth is on loose-proof sleeve of the attachment cap end tooth with intermateable connector
When plugging together along the longitudinal direction attachment cap can screw to guiding surface loose-proof sleeve end tooth towards screw that direction rotates.
Another lateral tooth flank of attachment cap end tooth be for attachment cap end tooth and loose-proof sleeve end tooth along the longitudinal direction on plug together
When attachment cap can be made to unscrew to guiding surface towards unscrew that direction rotates.
In the present invention, the technical scheme of anti-loose connector is：
Anti-loose connector, including front end for inserted terminal housing, on housing along the longitudinal direction guiding movement be set with it is locking
Set, the loose-proof sleeve are coordinated with the housing rotation stop, before and after cooperation spacing with loose-proof sleeve is provided with housing to limit loose-proof sleeve
The position-limit mechanism of moving limit, is provided with the elastic component for applying direction active force forward to loose-proof sleeve between housing and loose-proof sleeve,
The front end of loose-proof sleeve is provided with loose-proof sleeve end tooth, and a lateral tooth flank of loose-proof sleeve end tooth is for being connected with adaptation in loose-proof sleeve end tooth
Attachment cap end tooth on the attachment cap of device along the longitudinal direction on attachment cap can be made when plugging together to screw guide towards screw that direction rotates
To inclined-plane.
Another lateral tooth flank of loose-proof sleeve end tooth be for loose-proof sleeve end tooth and attachment cap end tooth along the longitudinal direction on plug together
When attachment cap can be made to unscrew to guiding surface towards unscrew that direction rotates.
Socket casing includes the set shape body that axis extends along the longitudinal direction, be provided with set shape body for attachment cap
The external screw thread of connection, Socket casing also include that spinning, in the back-up ring of externally threaded rear end, is installed with coaxial line and is sheathed on back-up ring
The installation set of set shape body periphery, is provided with the keyway that guide direction extends along the longitudinal direction in the installation set, described locking
It is sheathed in the set shape body, on the loose-proof sleeve, is provided with the key block being slidably matched with the keyway guiding.
The elastic component top is located between the loose-proof sleeve rear end and back-up ring.
Beneficial effects of the present invention are：In two adapter grafting, acted on by elastic component, attachment cap end tooth with it is locking
Set end tooth keeps plugging together on along the longitudinal direction, and due to screwing the effect to guiding surface, attachment cap can be rotated towards direction is screwed,
Until two adapters connect in place, after two adapters connections in place, acted on by elastic component, attachment cap end tooth with it is locking
Set end tooth still keeps plugging together on along the longitudinal direction, so avoids the attachment cap caused because of other non-artificial factors such as vibration force
The adapter for reversely rotating and causing releases problem, and the loose-proof sleeve and attachment cap in the present invention is respectively arranged at different connector
On housing, this addresses the problem in prior art because loose-proof sleeve and attachment cap are arranged on same housing cause connector shaft to
The longer problem of length.
Further, when needing two adapters to separate, due to unscrewing the effect to guiding surface, attachment cap is applied
When the manpower in direction is unscrewed, attachment cap can be rotated towards direction is unscrewed, and be so capable of achieving two by reversely rotating attachment cap
Separation between adapter, separation process are simple and convenient, it is not required that corresponding too big axial operation space, are highly suitable for countershaft
To used in the conditional occasion in working place, corresponding pin and pin chute structure are so may be omitted with, product is reduced
The complex degree of structure and manufacturing cost of product.
Description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of anti-loose connector in the present invention；
Fig. 2 is the structural representation of attachment cap in Fig. 1；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the axonometric chart of Fig. 3；
Fig. 5 is the structural representation of the embodiment 2 of anti-loose connector in the present invention；
Fig. 6 is the structural representation of loose-proof sleeve in Fig. 5；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the axonometric chart of Fig. 7.
Specific embodiment
The embodiment 1 of anti-loose connector is as shown in Fig. 1 ~ 4：The anti-loose connector be plug, plug include front end be grafting
The plug casing 1 at end.Rotate on plug casing and be arranged with attachment cap 2, restricted connection is set between plug casing and attachment cap
The jump ring moved to axial between cap 2, plug casing 1（Not shown in figure）, female thread is provided with the inner hole wall of attachment cap, even
The front end for connecing cap 2 is provided with attachment cap end tooth 3.One lateral tooth flank of attachment cap end tooth 3 is in loose-proof sleeve end tooth and attachment cap
When plugging together attachment cap 2 can screw to guiding surface 8 end tooth 3 towards screw that direction rotates；Another lateral tooth flank of attachment cap end tooth 3
It is that attachment cap 2 can unscrew to guiding surface 6, rotation towards unscrew that direction rotates when attachment cap end tooth and loose-proof sleeve end tooth are plugged together
Pine is greater than the gradient screwed to guiding surface 8 to the gradient of guiding surface 6, unscrews power needed for attachment cap more than screwing connection
Power needed for cap, increases the anti-loose ability of antivibration of attachment cap.
In the other embodiments of this anti-loose connector：Female thread on attachment cap can be being replaced by crank slot；Unscrew to
The gradient of guiding surface is also less than or equal to the gradient screwed to guiding surface；Unscrewing in attachment cap end tooth is oblique to being oriented to
Face can not also set, i.e., attachment cap end tooth is ratchet, now when needing plug, socket to separate, manually promotes loose-proof sleeve
After move, depart from loose-proof sleeve and attachment cap, then derotation attachment cap again, until plug, socket are separated.
The embodiment 2 of anti-loose connector is as shown in Fig. 5 ~ 8：The anti-loose connector be socket, socket include front end be grafting
The Socket casing at end, Socket casing include the set shape body 9 and the gear being sheathed in set shape body that axis extends along the longitudinal direction
Circle 13, has been wholely set installation set on back-up ring, installation set coaxial line is sheathed on the periphery of set shape body, arranges in set shape body 9
Have for attachment cap on screw-internal thread fit external screw thread, 13 spinning of back-up ring is provided with installation set in externally threaded rear end
The keyway 11 that two guide directions extend along the longitudinal direction, in set shape body, guiding movement is set with loose-proof sleeve 5 along the longitudinal direction,
The key block 10 being slidably matched with keyway guiding is provided with loose-proof sleeve, loose-proof sleeve 5 is realized by the cooperation of keyway 11 and key block 10
The rotation stop of counterpart receptacle housing, rotation stop refer to it is relatively unrotatable, be provided with Socket casing it is spacing with loose-proof sleeve cooperation to limit
Loose-proof sleeve processed 5 moves forward and backward the position-limit mechanism of the limit, and position-limit mechanism includes that the rear side cell wall of keyway 11 and keyway front end are formed
Closing-in structure, the rear side cell wall of keyway 11 and 10 block of key block coordinate so as to limit the moving limit backwards of loose-proof sleeve 5, in dress
The key block of loose-proof sleeve is attached in keyway at the beginning of matching somebody with somebody, then makes the front end of keyway form closing-in structure, closing-in structure using instrument
Loose-proof sleeve orward movement limit can be prevented.Between the rear end of loose-proof sleeve 5 and back-up ring 13, top is provided with and applies direction forward to loose-proof sleeve 5
The elastic component 12 of active force, elastic component is ripple spring, the front end of loose-proof sleeve 5 be provided with for attachment cap end tooth along front and back
The loose-proof sleeve end tooth 7 for plugging together upwards, a lateral tooth flank of loose-proof sleeve end tooth is for plugging together in loose-proof sleeve end tooth 7 and attachment cap end tooth
When attachment cap can be made to screw to guiding surface 8 towards screw that direction rotates；Another lateral tooth flank of loose-proof sleeve end tooth 7 is in attachment cap
When plugging together attachment cap can be unscrewed to guiding surface 6 towards unscrew that direction rotates for end tooth and loose-proof sleeve end tooth, unscrewed oblique to being oriented to
The gradient in face 6 is greater than the gradient screwed to guiding surface 8, unscrews power needed for attachment cap more than screwing needed for attachment cap
Power, increases the anti-loose ability of antivibration of attachment cap.
When plug, socket grafting is needed, the attachment cap on plug is connected with set shape body, with the precession of attachment cap,
Attachment cap end tooth on attachment cap gradually with Socket casing on loose-proof sleeve end tooth along the longitudinal direction on plug together, by elastic component
Active force, attachment cap end tooth and loose-proof sleeve end tooth can be always maintained at plugging state, due to screwing the effect to guiding surface, although
Attachment cap can be met obstructions when rotated, but manpower can still make attachment cap continuation court screw direction to be rotated, until plug, socket
Grafting in place, after plug, socket grafting in place, is still kept slotting by the active force of elastic component, attachment cap end tooth and loose-proof sleeve end tooth
Conjunction state, when converse rotating force is little（Such as the power that vibration causes）Attachment cap be able to can not be inverted by loose-proof sleeve keyed；
When needing plug, socket to separate, attachment cap is reversely rotated, due to unscrewing the effect to guiding surface, although attachment cap is in rotation
Can meet obstructions when turning, but manpower can still make attachment cap continue towards unscrewing direction to rotate, until plug, socket are completed point
From.Back-up ring can realize the adjustment of loose-proof sleeve axial location.
In the other embodiments of this anti-loose connector：External screw thread in set shape body can be being replaced by bail；Unscrew
It is also less than to the gradient of guiding surface or equal to the gradient screwed to guiding surface, unscrewing to guiding in loose-proof sleeve end tooth
Inclined-plane can not also set, i.e., loose-proof sleeve end tooth is ratchet, now when needing plug, socket to separate, is manually promoted locking
Move after set, depart from loose-proof sleeve and attachment cap, then derotation attachment cap again, until plug, socket are separated；Back-up ring can with peace
Encapsulation is wholely set；Installation set can also be without setting, and now loose-proof sleeve directly can be assemblied in by key, keyway arrangements guiding movement
In set shape body；Ripple spring can be replaced with other elastic components by helical spring, rubber ring etc.；Closing-in structure can be being filled
It is assigned in replacing for the block with the spacing cooperation of loose-proof sleeve for back-up ring front end.
Claims (6)
1. housing of the plug, including front end for inserted terminal, rotates on housing and is arranged with attachment cap, it is characterised in that：Attachment cap
Front end is provided with attachment cap end tooth, and a lateral tooth flank of attachment cap end tooth is on loose-proof sleeve of the attachment cap end tooth with socket
When plugging together along the longitudinal direction attachment cap can screw to guiding surface, attachment cap end tooth loose-proof sleeve end tooth towards screw that direction rotates
Another lateral tooth flank be for attachment cap end tooth and loose-proof sleeve end tooth along the longitudinal direction on plug together when can make attachment cap towards unscrewing
What direction rotated unscrews to guiding surface, unscrews to the gradient of guiding surface and is greater than the gradient screwed to guiding surface.
2. plug according to claim 1, it is characterised in that：Another lateral tooth flank of attachment cap end tooth is in attachment cap
End tooth and loose-proof sleeve end tooth along the longitudinal direction on when plugging together attachment cap can be unscrewed to guiding surface towards unscrew that direction rotates.
3. housing of the socket, including front end for inserted terminal, it is characterised in that：On housing along the longitudinal direction guiding movement be set with it is anti-
Pine set, the loose-proof sleeve are coordinated with the housing rotation stop, are provided with cooperation spacing with loose-proof sleeve to limit before loose-proof sleeve on housing
The position-limit mechanism of moving limit, is provided with the elasticity for applying direction active force forward to loose-proof sleeve between housing and loose-proof sleeve afterwards
Part, the front end of loose-proof sleeve are provided with the loose-proof sleeve end tooth for being plugged together with attachment cap end tooth along the longitudinal direction, loose-proof sleeve end tooth
One lateral tooth flank be for the attachment cap end tooth on attachment cap of the loose-proof sleeve end tooth with intermateable connector along the longitudinal direction on plug together
When attachment cap can be made to screw to guiding surface towards screw that direction rotates, another lateral tooth flank of attachment cap end tooth is in connection
Cap end tooth and loose-proof sleeve end tooth along the longitudinal direction on when plugging together attachment cap can be unscrewed to guiding surface towards unscrew that direction rotates,
Unscrew to the gradient of guiding surface and be greater than the gradient screwed to guiding surface.
4. socket according to claim 3, it is characterised in that：Another lateral tooth flank of loose-proof sleeve end tooth is in loose-proof sleeve
End tooth and attachment cap end tooth along the longitudinal direction on when plugging together attachment cap can be unscrewed to guiding surface towards unscrew that direction rotates.
5. the socket according to claim 3 or 4, it is characterised in that：Socket casing includes what axis extended along the longitudinal direction
Set shape body, is provided with the external screw thread for being connected with attachment cap in set shape body, Socket casing also includes spinning in external screw thread
Rear end back-up ring, be installed with back-up ring coaxial line be sheathed on set shape body periphery installation set, be provided with the installation set
The keyway that guide direction extends along the longitudinal direction, the loose-proof sleeve are sheathed in the set shape body, are arranged on the loose-proof sleeve
There is the key block being slidably matched with the keyway guiding.
6. socket according to claim 5, it is characterised in that：The elastic component top is located at the loose-proof sleeve rear end and back-up ring
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221070.XA CN104300309B (en) | 2014-05-23 | 2014-05-23 | A kind of anti-loose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221070.XA CN104300309B (en) | 2014-05-23 | 2014-05-23 | A kind of anti-loose connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104300309A CN104300309A (en) | 2015-01-21 |
| CN104300309B true CN104300309B (en) | 2017-03-29 |
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ID=52319942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410221070.XA Active CN104300309B (en) | 2014-05-23 | 2014-05-23 | A kind of anti-loose connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104300309B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029868B (en) * | 2019-12-13 | 2021-05-07 | 中航光电科技股份有限公司 | Audio adapter connector assembly |
| CN112736596B (en) * | 2021-01-19 | 2023-02-03 | 苏州泰莱微波技术有限公司 | High-reliability self-locking radio frequency connector structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957049A (en) * | 2012-10-29 | 2013-03-06 | 中航光电科技股份有限公司 | Anti-unscrewing connector |
| CN203326237U (en) * | 2013-06-26 | 2013-12-04 | 沈阳兴华航空电器有限责任公司 | Anti-loosening connecting structure of electric connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140060927A1 (en) * | 2012-08-30 | 2014-03-06 | Avc Industrial Corp. | Hook-thread component and wiring element fastening device having the hook-thread component |
-
2014
- 2014-05-23 CN CN201410221070.XA patent/CN104300309B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957049A (en) * | 2012-10-29 | 2013-03-06 | 中航光电科技股份有限公司 | Anti-unscrewing connector |
| CN203326237U (en) * | 2013-06-26 | 2013-12-04 | 沈阳兴华航空电器有限责任公司 | Anti-loosening connecting structure of electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104300309A (en) | 2015-01-21 |
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